Indium

n.

1.

(Chem.) A rare metallic element, of atomic number 49, discovered in certain ores of zinc, by means of its characteristic spectrum of two indigo blue lines; hence, its name. In appearance it resembles zinc, being white or lead gray, soft, malleable and easily fusible, but in its chemical relation it resembles aluminium or gallium (valence +3). Symbol In. Atomic weight, 114.82.

Noun

1.

indium - a rare soft silvery metallic element; occurs in small quantities in sphalerite Synonyms: atomic number 49, In

atomic number 49, blende, In, metal, metallic element, sphalerite, zinc blende